Content

Adware-AdStart

Type
Program
SubType
Adware
Discovery Date
03/18/2005
Minimum DAT
4450 (03/18/2005)
Updated DAT
4921 (12/18/2006)
Minimum Engine
5.1.00
Description Added
03/18/2005
Description Modified
09/16/2005 12:34 AM (PT)

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Characteristics

McAfee(R) AVERT recognizes that this program may have legitimate uses in contexts where an authorized administrator has knowingly installed this application. If you agreed to a license agreement for this, or another bundled application, you may have legal obligations with regard to removing this software, or using the host application without this software. Please contact the software vendor for further information.

See http://vil.nai.com/vil/DATReadme.asp for a list of Program detections added to the DATs.

See http://vil.nai.com/vil/pups/configuration.htm for information about how to enable, disable, and exclude detection of legitimately installed programs.

Summary

This is not a virus or a Trojan.
It is an adware application and may generate extra pop-up ads while using Internet Explorer. This kind of application generally comes bundled with another program, which usually discloses the fact that it is ad-supported


Privacy

No license agreement is displayed during installation, although one could be displayed by another installer if bundled with another application. No EULA or privacy policy related to the software could be found.

System Changes

File Name : Swin32.dll
MD5Hash : 75bb9fb8e4768a043348841572b75c35

File Name : Rytyq.dll
MD5Hash : 7f579956cf88e0c804e60b61c3b35257

File Name : Rytyqc.exe
MD5Hash : d49fe08fc00779914b7ece13f1854600

File Name : Rytyqf.exe
MD5Hash : 8085d7e93e021fff636b1f30db310838

On registering the above DLLs and executing the above files, "automove.exe" is dropped into "C:\WINDOWS\System32" (or "C:\WINDOWS\System") which creates a RUN registry entry.

Following registry entries are added:

  • HKEY_CLASSES_ROOT\CLSID\{CAEAFD74-186C-4EE6-
    BAED-C4E7C2B26922} displayname="SDWin32 Class"
  • HKEY_CLASSES_ROOT\CLSID\{5FA6752A-C4A0-4222-
    88C2-928AE5AB4966} displayname="SDWin32 Class"
  • HKEY_CLASSES_ROOT\SWin32.SDWin32
  • HKEY_CLASSES_ROOT\Interface\{1CFB8B32-4053-4144-
    AF6F-1540EEC7F101} displayname="ISDWin32"
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\
    CurrentVersion\Run "Adstartup"
  • HKEY_LOCAL_MACHINE\SOFTWARE\y036

Aliases

Aliases

  • 2nd Thought,Adware : CA eTrust
  • Adware.Adstart.a : Kaspersky Lab
  • Adware/AdLogix : Panda Antivirus
  • W32/AdStart.A : Norman